Home / 886,343.41-1,329,517.28-353,907.73

Finding the Fourth Proportional to 886,343.41, 1,329,517.28 and 353,907.73

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Solution

The fourth proportional to 886,343.41, 1,329,517.28 and 353,907.73 is: 530,862.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,343.41 : 1,329,517.28 = 353,907.73 : x
  2. Step 2: Convert to fraction form
    886,343.41/1,329,517.28 = 353,907.73/x
  3. Step 3: Cross multiply
    886,343.41x = 1,329,517.28 × 353,907.73
  4. Step 4: Simplify right side
    886,343.41x = 470,526,442,560.57
  5. Step 5: Solve for x
    x = 470,526,442,560.57/886,343.41
  6. Step 6: Final answer
    x = 530,862.46

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.